text: from django.conf.urls import url
  
  from . import views
  
  urlpatterns = [
      url(r'^participant_team/(?P<pk>[0-9]+)/invite$', views.invite_participant_to_team,
          name='invite_participant_to_team'),
      url(r'^participant_team/(?P<participant_team_pk>[0-9]+)/challenge$', views.get_participant_team_challenge_list,
          name='get_participant_team_challenge_list'),
      url(r'^remove_self_from_participant_team/(?P<participant_team_pk>[0-9]+)$',
          views.remove_self_from_participant_team,
          name='remove_self_from_participant_team'),
      url(r'^participant_team/(?P<participant_team_pk>[0-9]+)/participant/(?P<participant_pk>[0-9]+)$',
          views.delete_participant_from_team, name='delete_participant_from_team'),
      url(r'^participant_teams/challenges/(?P<challenge_pk>[0-9]+)/user$',
          views.get_teams_and_corresponding_challenges_for_a_participant,
          name='get_teams_and_corresponding_challenges_for_a_participant'),
      url(r'^participant_team$', views.participant_team_list,
          name='get_participant_team_list'),
      url(r'^participant_team/(?P<pk>[0-9]+)$',
          views.participant_team_detail, name='get_participant_team_details'),
  ]
  